<template>
    <div class="wrapper">
    	<swiper :options="swiperOption" v-if="showSwiper">
            <swiper-slide v-for="item of list" :key="item.id">
                <img class="swiper-img" :src="item.imgUrl" :key="item.id">
            </swiper-slide>
            <div class="swiper-pagination"  slot="pagination"></div>
      </swiper>
    </div>
</template>

<script>
export default {
	name: 'HomeSwiper',
    props: {
        list: Array
    },
	data () {
		return {
			swiperOption: {
                pagination: '.swiper-pagination',
                loop: true //让轮播插件循环轮播
            }
		}
	},
    computed: {
        showSwiper () {
            return this.list.length
        }
    }
}
</script>

<style lang="stylus" scoped>
.wrapper >>> .swiper-pagination-bullet-active
    background: #fff
.wrapper
    overflow: hidden
    width: 100%
    height: 0
    padding-bottom: 37.07%  //图片的宽高比
    background: #eee
.swiper-img
    width: 100%     
</style>